/*-------------------------------------------------------------------------
 *
 * varlena.h
 *      Functions for the variable-length built-in types.
 *
 * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/utils/varlena.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef VARLENA_H
#define VARLENA_H

#include "nodes/pg_list.h"
#include "utils/sortsupport.h"

extern int    varstr_cmp(char *arg1, int len1, char *arg2, int len2, Oid collid);
extern void varstr_sortsupport(SortSupport ssup, Oid collid, bool bpchar);
extern int varstr_levenshtein(const char *source, int slen,
                   const char *target, int tlen,
                   int ins_c, int del_c, int sub_c,
                   bool trusted);
extern int varstr_levenshtein_less_equal(const char *source, int slen,
                              const char *target, int tlen,
                              int ins_c, int del_c, int sub_c,
                              int max_d, bool trusted);
extern List *textToQualifiedNameList(text *textval);
extern bool SplitIdentifierString(char *rawstring, char separator,
                      List **namelist);
extern bool SplitDirectoriesString(char *rawstring, char separator,
                       List **namelist);
extern text *replace_text_regexp(text *src_text, void *regexp,
                    text *replace_text, bool glob);

#endif
